Bike blerg thread

the ultraromance of http://weightweenies.starbike.com/

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He has a pretty nice personality/distance to he whole WW-cult, likes to scrape expensive crabon frames with The Morakniv™, likes to poke fun at himself for being silly, race XC in denim shortshorts and all things leopard. Leopard all the things.

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what’s the deal with the knife scraping, is that how I should be stripping my carbon road bike paint?

He’s native to Mora, the birthplace of the “OG Morakniv”.

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He’s got a tutorial about it on youtube.

I’m in the process of stripping some NOX rims with an Opinel. Far easier and faster than sanding alone. I’m a few hours in and I have one side of one rim complete, I’ll post up when they’re done.

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confused_grant.png

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What I took away from the tutorial was “don’t do it”. And yet you came to the exact opposite one

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Yup

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I have carbon rimmed Easton road wheels. The decals look like they are sublimated. Any advice on removing them? Hours of sand papering?

The knife method is really on the safe end of what you can do to a frame atmo. There is pretty much no way a knife will slice your fibers. Cutting carbon with steel tools is very difficult.
Sand papering is more dangerous, since most abrasives are hard enough to remove actual carbon. But at least it’s slow.
In a mass production situation, carbon is machined with diamond-coated carbide cutters or diamond grit abrasives, to give you an idea of what it takes to actually cut a lot of it. A steel cutter wouldn’t last even one operation, and it would do more tearing than cutting.

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There’s some new bad ass carbide cutters that supposedly do well.

compresses the fibers as it cuts to reduce tearing.

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Those are good! They work similarly well for plywood. They do need a certain thickness to work well though, so not great for thin wall tubing. For operations that used a carbide cutter I usually specced a straight flute or a diamond pattern burr type thing.

I haven’t had to cut G10 in a long time but I remember it just roached our cutters so bad. We probably would have been better off with diamond tools but our programmer at the time was kinda sloppy and it probably would’ve cost more in tool breakage than wearing our some carbide. I used to be all anal about not breaking tools etc but in my prototype environment now it’s like almost cheaper to just waste an insert for every part and get the job done than to get everything dialed in perfect for an interrupted cut in some structural steel.

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Shimano keeps cranking out vidyas, not as good as the old-school Deore XT vid though:

It’s funny to see Shimano put together a (well-deserved) legacy video, as if it’s appealing to nostalgia. Since bike parts aren’t cars so it won’t relate the way the Audi one here does

a bunch of smartEtailing-built websites are getting hit by a wide-cast lawsuit, claiming ADA violations

makes me all tingly

Revolution Bicycles was my “first” bike shop when I first started riding bikes in college. They once told me that I needed a “custom” Chris king headset to solve a problem I was having with my RB-1. So I spent $150 on a “custom” headset that was definitely just a regular 1” threaded headset. Learning opportunity.

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I think they’d be more interesting if they were made better. For instance the one about the 3.3.3. freewheel could be interesting but it basically contains no information.

They may have been ripping you off with “custom” talk, but they might have also been using the term to mean “not the stock parts that came in the box”, which I’ve definitely heard. Like, you customize your bike with a new saddle.

Not how I do it, but definitely a common usage.

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